public class HardDisk
{
    private int amount;

    public HardDisk()
    {
        amount = 0;
    }

    public HardDisk(int amout)
    {
        this.amount = amout;
    }

    public int getAmount()
    {
        return amount;
    }

    public void setAmount(int amount)
    {
        this.amount = amount;
    }
}
